Urban historical sites may be considered as those spaces where manifold evidences of the city’s cultural production concentrate. They
are to be circumscribed rather in terms of their operational value as “critical areas” than in opposition to the city’s non-historical
places, since the city in its totality is a historical entity.
Urban historical sites are part of a wider totality, comprising the natural and the built environment and the everyday living experience
of their dwellers as well. Within this wider space, enriched with values of remote or recent origin and permanently undergoing a dy‐
namic process of successive transformations, new urban spaces may be considered as environmental evidences in their formative